RE: Re: Subversion/Eclipse Performance on Windows
From: Jonathan Taylor <jonathan.taylor_at_priceline.com>
Date: Fri, 16 Jan 2009 13:39:22 -0800 (PST)
Indeed, we have noticed the same thing here and done some controlled tests to verify it.
The tests were done on a medium-sized source tree from one of our projects. Including the additional files that svn creates in the working copy, the working copy consists of about 7300 files and 4600 folders.
A checkout of the working copy into an empty directory takes 1:19 (79 seconds) to run on a Lenovo T61 laptop running Windows XP. On the same laptop running Linux (with ext3), the same operation takes just 8 seconds. On a MacBook Pro it takes about 11 seconds.
However, I have noticed that it takes significantly longer just to un-zip an archive containing lots of small files and folders on a Windows machine. When I zipped up the working copy and then un-zipped it, it took more than a minute to un-zip on Windows and about 10 seconds on Linux.
So my suspicion is that this has something to do with the file system itself rather than anything within the svn code base that can be optimized for Windows. But it would sure be nice to find a way to get svn on our Windows machines to run faster (we have a lot of them!), like a file-system-within-a-file-system trick or something similar.
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